KR20180094954A - Textile sleeves for protecting end-end woven fabrics and method for manufacturing the same - Google Patents

Abstract

The terminated wear-resistant textile sleeve includes tapered yarns extending generally parallel to the longitudinal center axis of the sleeve and a tapered wall having weft yarns extending circumferentially about the sleeve. The warp yarns comprise at least two different types of yarns, one type of warp yarn types include activatable yarns, and another type of warp yarns include non-activatable yarns. The activatable yarns may be provided as activatable by at least one of heat, fluid and / or pressure so that when activated the activatable yarns are caused to adjoin adjacent non-activatable warp yarns and also the weft yarns with which they contact. In this way, the activatable yarns are fixed with the above-mentioned non-activatable warp yarns and weft yarns when activated, so that during subsequent cold cutting operations performed to cut the sleeve to the proper length, prevent.

Description

Textile sleeves for protecting end-end woven fabrics and method for manufacturing the same

Related application

This application claims priority to U.S. Patent Application No. 14 / 975,129, filed December 18, 2015, which is hereby incorporated by reference in its entirety and is hereby incorporated by reference herein.

Field of invention

The present invention relates generally to a protective sleeve for a longitudinal member, and more particularly to a woven textile sleeve.

Longitudinal members such as wires or wire harnesses are generally protected against wear and tear by wrappable textile sleeves. It is known to produce a textile sleeve that can be wound with a woven yarn. It is known to use a laser, an ultrasonic cutting device or the like which reduces the possibility of melting the material of the sleeve wall and causing the material of the sleeve wall to melt during the cutting process in order to form the desired sleeve length and to avoid the end of the sleeve. It is also known to apply a chemical coating agent to the sleeve wall, prior to cutting the sleeve wall after forming the sleeve wall, in order to reduce the likelihood of the material of the sleeve wall being removed during the cutting process. While the above-described mechanisms may be effective in reducing the likelihood of wear of the sleeve wall material, they require special cutting devices or processes and are therefore expensive.

A wear-resistant textile sleeve is provided for protecting the elongated member. The sleeve includes warp yarns extending generally parallel to the longitudinal center axis of the sleeve and weft yarns extending circumferentially about the sleeve. The warp yarns and weft yarns are weaved in an overlying and underlying weave pattern that is positioned above and below each other. The tilted yarns include at least two different types of yarns, one type of tilted yarns includes an activatable yarn, another type of tilted yarns include non-activatable yarns (non -activatable yarn). The activatable yarns may be provided as activatable by at least one of heat, fluid and / or pressure so that when activated the activatable yarns are caused to adjoin adjacent non-activatable warp yarns and also the weft yarns with which they contact. In this way, the activatable yarns are fixed with the above-mentioned non-activatable warp yarns and weft yarns when activated, so that during subsequent cold cutting operations performed to cut the sleeve to the proper length, prevent.

According to another aspect of the present invention, activatable yarns may be provided as monofilaments and / or multifilaments.

According to another aspect of the present invention, activatable yarns may be provided as monofilaments and / or multifilaments of an inactivatable material coated with an activatable material.

According to another aspect of the invention, the activatable yarns comprise bicomponent monofilaments having an outer sheath of a material having a second melting temperature and a central core comprised of a material having a first melting temperature ), And the first melting temperature is higher than the second melting temperature.

According to another aspect of the invention, the activatable yarns may be provided as entangled yarns comprising an activatable material and an entangled non-activatable material.

According to another aspect of the invention, the activatable yarns may be provided as non-activatable monofilaments or multifilament yarns that are twisted or served with the activatable monofilament or multifilament yarns.

According to another aspect of the present invention, a weaving pattern positioned above and below each other may be a plain weave, a rib weave, a basket weave or a twill weave pattern pattern As shown in FIG.

According to another aspect of the present invention, weft yarns may be provided at least partially as multifilaments to provide improved protection coverage to the walls.

According to another aspect of the invention, the wall may be formed as a windable wall having opposing edges extending generally parallel to the longitudinal central axis, with the opposing edges becoming in overlapping relation to one another.

According to yet another aspect of the present invention, the weft yarns may be provided as at least partially heat-set yarns to bias opposing edges in a mutually overlapping relationship.

According to another aspect of the present invention, the wall can be formed as a seamless continuous wall in a circumferential direction.

According to yet another aspect of the present invention, a method is provided for fabricating an end anti-fizzing textile sleeve for protecting a long member. The method includes forming a long wall by weaving the warp yarns and weft yarns in a weaving pattern that is positioned above and below the weft yarns. The method also includes at least two different types of warp yarns, one of the types of warp yarns being activatable warp yarns and the other type of warp yarns including non-activatable warp yarns And providing the warp yarns. The method also includes activating the activatable warp yarns through application of at least one of heat, fluid and pressure so that when activated the activated yarns are brought into contact with adjacent non-activatable warp yarns and with the weft yarns into which they contact, . In this way, the activatable yarns are fixed with the above-mentioned non-activatable warp yarns and weft yarns, so that during use in subsequent cold cutting operations performed to cut the sleeve to the proper length, the weft yarns are also wound on opposite ends of the sleeve Thereby preventing it from falling off.

According to another aspect of the present invention, the method may further comprise providing the activatable warp yarns as monofilaments and / or multifilaments.

According to another aspect of the present invention, the method comprises providing the activatable warp yarns as multifilaments consisting of monofilaments of an inactivatable material coated with an activatable material and / or non-activatable material coated with an activatable material Process.

According to another aspect of the present invention, the method comprises providing the activatable yarns as two-component monofilaments having an outer sheath of a material having a second melting temperature and a central core comprised of a material having a first melting temperature And the first melting temperature is higher than the second melting temperature.

According to yet another aspect of the present invention, the method may further comprise providing the activatable yarns as entangled yarns comprising an activatable material and an entangled non-activatable material.

According to another aspect of the present invention, the method may further comprise the step of providing the activatable yarns as activatable monofilaments or multifilament yarns that are twisted or rolled together with the activatable monofilament or multifilament yarns.

According to another aspect of the present invention, the method may further include forming a weaving pattern as one of plain weave, weave weave, basket weave, or twill weave pattern.

According to another aspect of the present invention, the method may further comprise providing weft yarns as at least partially multifilaments to provide enhanced protection coverage to the wall.

According to a further aspect of the invention, the method further comprises the step of forming the elongated wall as a windable wall having opposing edges extending generally parallel to the longitudinal central axis, such that the opposing edges are in overlapping relation .

According to another aspect of the present invention, the method may further include the step of biasing at least a portion of the weft yarns by thermally fixing the opposing edges in a mutually overlapping relationship.

According to another aspect of the present invention, the method may further comprise forming the wall as a continuous wall in the circumferential direction without a core.

These aspects, features, and advantages of the present invention and other aspects, features, and advantages thereof will become apparent in light of the presently preferred embodiments and drawings, which are briefly described herein and in the following detailed description and claims of the best mode will be.
1A is a schematic perspective view of a protective sleeve configured in accordance with a preferred embodiment at a present moment shown as protecting the elongated member;
1B is a schematic perspective view of a protective sleeve configured in accordance with a preferred embodiment at a present moment shown as protecting the elongated member.
Figure 2 is an enlarged partial perspective view of the wall of the sleeve of Figures 1a and 1b constructed in accordance with one aspect of the present invention.
Figures 3A-3C are schematic plan views illustrating different walls of the sleeve of Figures 1A and 1B in accordance with different aspects of the present invention.
Figures 4A-4E are schematic plan views illustrating different activatable warp yarns of the sleeve of Figures Ia and Ib according to different aspects of the present invention.

1A and 1B illustrate end anti-fizzing textile sleeves, the sleeve 10 of FIG. 1A is an "open" sleeve, and the sleeve 10 'of FIG. Closed "sleeves which are described in greater detail, and the same reference numerals are used to identify the same features for both sleeves 10, 10 '. Both sleeves 10 and 10 'will hereinafter be referred to as sleeves in a single form, although the description of both sleeves 10 and 10' is prime (') and is made clear by the missing reference numerals. This means that, unless expressly stated otherwise, all the following description should be perceived as applying to both sleeves 10, 10 '. Sleeves 10 and 10'protect longitudinal members 12 disposed in cavities 13 of sleeves 10 and 10 ', such as, but not limited to, conduits or wire harnesses. . The sleeves 10 and 10'are arranged between the inclined yarns 16 extending generally parallel to the longitudinal central axis 17 of the sleeves 10 and 10'and the walls 14 and 14 ' 14 'having wefts, also referred to as weft yarns 18, which extend circumferentially about the circumference of the weft yarn 18'. The warp yarns 16 and weft yarns 18 may be wound up and down relative to each other such as, for example, plain weave, rib weave, basket weave or twill weave pattern undulating and woven into a predetermined weaving pattern that is overlying and underlying. The tilted yarn 16 comprises at least two different types of yarns, one of the types of tilted yarns comprises an activatable yarn 20, and another of the types of tilted yarns comprise activated Non-activatable yarns 22, The activatable yarns 20 are activated so that when activated the activatable yarns 20 are brought into contact with adjacent non-activatable warp yarns 22 and also with the weft yarns 18 to which they come into contact, May be provided as being activatable by at least one. In this way, the activatable yarn is fixed with the above-mentioned unactivatable warp yarns 22 and weft yarns 18 when activated, thereby causing the sleeve 10 to be cut in a subsequent cold cutting operation Also, it is possible to prevent the end portion from being generated at the time of use.

The sleeves 10, 10 'extend longitudinally between the opposite ends 24, 26 along the longitudinal central axis 17. Sleeve 10 is formed between opposing side portions 28 and 30 that are "open" as described above and thus extend generally parallel to longitudinal central axis 17 between opposite ends 24, 26 And has a lengthwise seam. The weft yarn 18 of the wall 14 may be provided at least partially as a heat-settable yarn and the thermally stable yarn may be a poly (ethylene terephthalate), such as, but not limited to, Filaments or thermoformable material such as polyethylene terephthalate (PET) or poly (phenylene) sulfide (PPS), the thermally stable warp yarns 18 having opposite sides 28, And can be thermally fixed to bias in an overlapping relationship. In use, the opposite side portions 28, 30 can be easily deployed from each other to facilitate the installation of the longitudinal member 12 therein, and then the side portions 28, , 30) automatically return to their overlapping relationship, thereby releasing the deployment force to provide protection around the entire outer periphery of the elongate member 12. [ It should be noted that in addition to the heat stable weft yarns, non-heat stable weft yarns 18 may also be incorporated into the wall 14 of the sleeve 10, depending on the need for the intended application.

The sleeve 10 'is of the "closed" type, as described above, so that a seamless continuous wall 14' extending circumferentially between the opposite ends 24, 26 around the cavity 13 . The weft yarn 18 of the wall 14'can be provided as described above for the wall 14 so that the wall 14'can be heated to facilitate the keeping of the generally rounded form of the cavity 13. [ To be fixed. The sleeve 10 'and its material content may be the same as the open sleeve 10, except that it is of the closed type.

As is clear from the various embodiments shown in the drawings, the activatable warp yarns 20 can be woven in different ways to provide desired physical properties to the sleeve 10, 10 '. 2, in which a portion of the open wall 14 of the sleeve 10 is shown, the activatable warp yarns 20 are formed as individual single yarns in circumferentially spaced relation from one another And is shown as being woven. Each activatable warp yarn 20 is circumferentially spaced from each other by intervening intervening non-activatable warp yarns 22. In the illustrated embodiment, the wall 14 has a ratio of activatable inclined yarns to unactivatable inclined yarns of about 1: 6. It should be noted that this pattern and ratio are equally applicable to the wall 14 'of the sleeve 10'. When woven, activatable warp yarn 20 is activated through heat, pressure and / or fluid, so that activated warp yarn 20 is wound around neighboring non-activatable warp yarns 22, (18). Thus, during subsequent cutting operations such as a cold cutting operation, the weft yarns 18 adjacent to the ends 24, 26 of the cut sleeves 10, 10 'are joined to the activated warp yarns 20 It is prevented from being released or disintegrated.

3A-3C show additional embodiments illustrating a top view of different weaving patterns of activatable warp yarns, wherein the pattern of FIGS. 3A and 3B shows a schematic top view of the pattern for both open and closed sleeves 10, 10 ' 3C is a schematic plan view of a pattern of activatable warp yarns 20 in a minimum arrangement for open sleeve 10 along opposite sides 28, In Fig. 3a, for the sleeve 10, 10 ', it is shown that the activatable warp yarns 20 are relatively increased with respect to the non-activatable warp yarns 22. The ratio of activatable warp yarn 20 to non-activatable warp yarn 22 is shown to be about 1: 1. In the illustrated embodiment, the activatable warp yarns 20 are shown as being arranged in a plurality of bundles 32. Each bundle 32 includes a plurality of activated warped yarns 20, shown as four, for example, but not exclusively, arranged in side-by-side relation to each other, each bundle 32 having, Are circumferentially spaced from each other by a plurality of non-activatable warp yarns 22, which are shown as four non-limiting. Although not shown for simplicity, the weft yarns 18 are woven with the warp yarns 16, and the individual warp and weft yarns 16, 18 may be any suitable yarn such as, but not limited to, And one of the activated warp yarns 20 in the bundle 32 oscillates up and down the weft yarns 18 out of phase with each other.

Figure 3b shows that there are fewer activatable warp yarns 20 for the non-activatable warp yarns 22, for the sleeve 10, 10 ', compared to the sleeve of Figure 3a. The ratio of activatable warp yarn 20 to non-activatable warp yarn 22 is shown to be about 1: 3. In the illustrated embodiment, the activatable warp 20 is shown as being arranged in a plurality of bundles 32 similar to the bundle 32 shown in Fig. 3A, but each bundle 32 is adjacent But only two activated warp yarns 20 disposed in relation to each other. 3B is similar to that described with respect to FIG. 3A, with each bundle 32 being separated from the other by a plurality of inactivatable warp yarns 22, shown as six, Direction.

3C, for the open sleeve 10, it is shown that at least the activatable warp yarns 20 are present with respect to the non-activatable warp yarns 22. The bundle 32 of the activatable warp 20 is only along the opposite sides 28 and 30 and the bundle 32 has any desired number of activatable warp yarns 20 . It is contemplated that the activatable warp yarns 20 may be provided in a single yarn along each side 28, 30, but this will provide minimal protection against edge creep. The warp yarns 16 extending between the pair of bundles 32 are provided as the inoperable warp yarns 22.

4A-4E, various different types of activatable warp yarns 20 are shown, and one or more of the different types of activatable warp yarns 20 may be used in a single sleeve 10, 10 '. In Figure 4A, the activatable warp yarn 20 is shown as a multifilament yarn, which includes at least some or all of the thermally activatable, pressure-activatable or fluid-activatable material extending along its length . The multifilament may be formed as an entangled material comprising an activatable material and an entangled activatable material, such as a fiber material formed of intertwined individual filaments or entangled with each other. In Figure 4b, the activatable warp 20 is shown as a monofilament, which consists of a thermally activatable, pressure-activatable or fluid-activatable material that is activated when exposed to a suitable heat, pressure or fluid source, Are joined to one adjacent warp and weft yarn (16, 18). In Figure 4c, the activatable warp yarns 20 are shown as a combination of interwounded yarns with each other, wherein different yarns are shown twisted together, whereas in Figure 4d, different yarns are wrapped around each other Respectively. The different yarns that are combined with each other to form the activatable inclined yarn 20 are either unactivatable monofilaments or multifilament yarns 34 twisted or served with the activatable monofilament or multifilament yarns 36 ). In Figure 4e, the activatable stitch yarn 20 is shown as a bicomponent monofilament, the bicomponent monofilament having a central core 38 made of a material having a first melting temperature and a second core temperature < RTI ID = 0.0 > And an outer sheath 40 made of a material having a first melting temperature higher than the second melting temperature. In each of the foregoing embodiments, the thermally activatable, pressure-activatable or fluid-activatable material is activated when the activatable tilted yarn 20 is activated to expose the adjacent adjacent tilts and / So as to bond with the weft yarns 16, 18. In addition to the embodiments described above, the activatable warp yarns 20 may be formed from an unactivatable yarn as an activatable coating or adhesive, in any other way, whether the underlying unactivatable yarn material is a monofilament or a multifilament. It is also to be understood that it is contemplated that they may be formed by coating.

Thus, the sleeves 10 and 10 'constructed in accordance with the present invention which are activated when the activatable tilted yarn 20 is activated to be joined to the adjacent adjacent warp and weft yarns 16 and 18 when woven, Or can be easily cold cut without generating any, thereby maximizing the service life of the sleeves 10, 10 'while providing an aesthetic appearance to the sleeves 10, 10'.

Obviously, numerous modifications and variations of the present invention are possible in light of the above teachings. It is, therefore, to be understood that within the scope of the appended claims, and the claims hereinafter finally claimed, the invention may be practiced otherwise than as specifically described and illustrated.

Claims (32)

An end-break preventing textile sleeve for protecting a long member,
Wherein the warp yarns extend in a longitudinal direction in a generally parallel relationship to the longitudinal center axis between opposite ends, the warp yarns having a longitudinal wall having weft yarns and woven warp yarns, And wherein the one or more types of warp yarns comprise at least two different types of warp yarns, wherein one type of warp yarns includes a plurality of activatable warp yarns, and another type of warp yarns Wherein the activatable warp yarns are activated by at least one of heat, fluid and pressure, and wherein the activatable warp yarns are activated such that the activatable warp yarns are activated by an adjacent one of the inoperable warp yarns, Wherein at least some of the activated warp yarns are joined to the activation yarns Function gradient becomes at least an end, characterized in that the circumferentially spaced from one another by a portion of the sleeve resistance textile yarns. The method of claim 1, wherein the activated warp yarns are arranged in a plurality of bundles, each of the plurality of bundles comprising a plurality of activated warp yarns arranged in a side by side adjacency relationship, each of the plurality of bundles Are circumferentially spaced from each other by said plurality of inoperable tapers. ≪ Desc / Clms Page number 13 > 3. The textile endmill according to claim 2, wherein adjacent ones of said activated warp yarns of said bundle are oscillating above and below said weft yarns out of phase with each other. 2. The textile sleeve of claim 1, wherein the activated warp yarns are monofilaments. The anti-fizzing textile sleeve of claim 1, wherein the activated warp yarns are multifilament yarns. 2. The anti-fizzing textile sleeve as in claim 1, wherein the activated warp yarns comprise monofilaments and / or multifilaments made of an inactive material coated with an activatable material. 2. The method of claim 1 wherein the activatable yarns are bicomponent monofilaments having an outer sheath of a material having a second melting temperature and a center core comprised of a material having a first melting temperature, 2 melt temperature. ≪ RTI ID = 0.0 > 5. < / RTI > 2. The textile fabric of claim 1, wherein the activatable yarns are entangled yarns comprising an activatable material and an entangled non-activatable material. 2. The anti-fizzing textile sleeve of claim 1, wherein the activatable yarns comprise non-activatable monofilaments or multifilament yarns twisted or padded with activatable monofilaments or multifilament yarns. The textile sleeve of claim 1, wherein the warp yarns and the warp yarns are woven in one of a plain weave, a weft, a basket weave, or a twill weave pattern. The end anti-fizzing textile sleeve of claim 1, wherein the weft yarns comprise multifilaments. 2. The end anti-fraying textile sleeve of claim 1 wherein said longitudinal wall is a windable wall having opposed edges extending generally parallel to said longitudinal center axis. 13. The end anti-fraying textile sleeve of claim 12, wherein the weft yarns include heat-set yarns and the heat-set yarns bias the opposing edges in overlapping relationship with one another. 13. An end anti-fizzing textile sleeve as claimed in claim 12, wherein at least some of the activated warp yarns extend along the opposite edges. 15. The textile anti-fading sleeve of claim 14, wherein the activated warp yarns extending along the opposite edges are entirely spaced from each other by the non-activatable warp yarns. The textile sleeve of claim 1, wherein the elongated wall is a circumferentially continuous wall without a core. A method of fabricating an end-release-resistant textile sleeve for protecting a long member,
Forming a long wall by weaving the warp yarns and weft yarns in a weaving pattern that is positioned above and below the warp yarns;
Wherein one of the types of warp yarns is activatable warp yarns and another of the types of warp yarns comprises non-activatable warp yarns comprising at least two different types of warp yarns Process;
Activating the activatable warp yarns through application of at least one of heat, fluid and pressure, such that the activated warp yarns are bonded to adjacent inactive warp yarns and weft yarns Way. 18. The method of claim 17 wherein each bundle is arranged in a plurality of bundles that will contain a plurality of activated warp yarns arranged in side by side relation to each other, Spaced apart from each other in a circumferential direction. 19. The method of claim 18, further comprising weaving the adjacent one of the activated warp yarns within each bundle out of phase with each other over and above the weft yarns. 18. The method of claim 17, further comprising providing the activated warp yarns as monofilaments. 18. The method of claim 17, further comprising providing the activated warp yarns as multifilaments. 18. The method of claim 17, further comprising providing the activated warp yarns as monofilaments and / or multifilaments of an inactive material coated with an activatable material. 18. The method of claim 17, further comprising providing the activatable yarns as bicomponent monofilaments having an outer sheath of a material having a second melting temperature and a central core comprised of a material having a first melting temperature, Wherein the first melting temperature is higher than the second melting temperature. 18. The method of claim 17, further comprising providing the activatable yarns as entangled yarns comprising an activatable material and an entangled non-activatable material. 18. The method of claim 17, further comprising the step of providing the activatable yarns as non-activatable monofilaments or multifilament yarns that are twisted or rolled together with activatable monofilaments or multifilament yarns. 18. The method of claim 17, further comprising weaving the warp yarns and the weft yarns into one of a plain weave, weave weave, basket weave or twill weave pattern. 18. The method of claim 17, further comprising providing the weft yarns as multifilaments. 18. The method of claim 17, further comprising forming the longitudinal wall as a windable wall having opposing edges extending generally parallel to the longitudinal center axis. 29. The method of claim 28, further comprising: thermally fixing at least a portion of the weft yarns to bias the opposing edges into overlapping relationships. 29. The method of claim 28, further comprising extending at least a portion of the activated warp yarns along the opposing edges. 32. The method of claim 30, further comprising the step of separating said activated reclined yarns extending along said opposing edges entirely from said unactivatable warp yarns. 18. The method of claim 17, further comprising forming the elongated wall as a continuous, circumferentially continuous wall.

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